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High-isolation ultra-wideband mimo antenna suitable for 5G full-band communication

A high-isolation, ultra-broadband technology, applied in the direction of antenna, antenna coupling, antenna grounding device, etc., can solve the problem of increasing the processing complexity of the sending end and receiving end, and achieve the effect of reducing size and improving isolation

Active Publication Date: 2021-10-26
NANJING UNIV OF AERONAUTICS & ASTRONAUTICS +1
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Problems solved by technology

An obvious feature of the MIMO system is that it has high spectrum utilization efficiency, which can simultaneously send or receive multiple parallel data streams within the same working bandwidth, and combine space-time processing technology to obtain high gain and multiplexing gain. Double the channel capacity and reliability of the system, at the cost of increasing the processing complexity of the sending end and receiving end

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  • High-isolation ultra-wideband mimo antenna suitable for 5G full-band communication
  • High-isolation ultra-wideband mimo antenna suitable for 5G full-band communication
  • High-isolation ultra-wideband mimo antenna suitable for 5G full-band communication

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Embodiment Construction

[0026] The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0027] Depend on Figure 1 to Figure 5 It can be seen that the MIMO antenna provided in this implementation mainly includes a dielectric substrate 1, four radiating units with identical structures and a metal floor 2. The metal floor is a metal patch structure and is arranged on the back of the dielectric substrate. The four radiating units are folded , are arranged orthogonally to each other around the dielectric substrate, and are fed in a coaxial feeding manner. The MIMO antenna provides radiated energy to the antenna through the coaxial connector with an external power supply. By using space resources, different antennas perform multi-faceted and multi-directional reception. It can greatly increase or multiply the power without changing the frequency and power. Increase the capacity of the communication system.

[0028] The radiation un...

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Abstract

The invention discloses a high-isolation ultra-wideband MIMO antenna suitable for 5G full-band communication, including a dielectric substrate, a metal floor and a radiation unit, the metal floor is arranged on the back of the dielectric substrate, and the radiation unit includes a first radiation unit with the same structure , the second radiating unit, the third radiating unit and the fourth radiating unit, the four radiating units are folded and arranged orthogonally around the dielectric substrate, and the four radiating units respectively adopt coaxial feeding through four coaxial feeding ports Feed by way of electricity. The working frequency band of the present invention covers the ultra-wideband frequency band, and should have high isolation in the entire frequency band; the folding of the radiation unit not only reduces the size of the MIMO antenna, but also facilitates the placement of the MIMO antenna in mobile phones, and is also conducive to the completeness of the antenna. Directional radiation; meet the communication needs of different frequency bands, and improve the input and output strength of communication signals.

Description

technical field [0001] The invention relates to antenna technology, in particular to a high-isolation ultra-wideband MIMO antenna suitable for 5G full-band communication, which is mainly used in wireless communication systems. Background technique [0002] In the past few decades, the development of mobile communication from the first generation (1Generation, 1G) voice service to the fourth generation (4generation, 4G) mobile broadband data service, each technological innovation has greatly changed human life. Life has also effectively promoted social development. At present, 4G has been commercialized, and the technology is becoming mature. The fifth generation communication technology (5Generation, 5G) is a new generation of communication technology for new needs in the future. Compared with the traditional fourth generation mobile communication technology, it has higher data The transmission rate and wider bandwidth can greatly improve spectral efficiency. However, 4G m...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01Q1/36H01Q1/38H01Q1/48H01Q1/52H01Q5/25
CPCH01Q1/36H01Q1/38H01Q1/48H01Q1/52H01Q5/25
Inventor 刘少斌周子妍蒋海珊梁景原
Owner NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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